It’s been 13 years since George RR Martin last published a book in his A Song of Ice and Fire series.

The Game of Thrones TV series has come and gone in that time, with showrunners having to rely on the author’s plot outlines for the final two novels The Winds of Winter and A Dream of Spring.

Five years on since the end of the hit show and the 75-year-old still hasn’t completed the next book.

In his latest blog post, he addressed fan anger over the delay when writing about a chocolate model of him spotted at the Chocolate Museum in Barcelona.

Martin blogged: “I find myself at a loss for words, but full of questions. Am I made of dark chocolate or milk chocolate? No idea. Am I solid chocolate, or do I have a filling? Nougat? Peanut butter? Nuts? Does the museum have a display of chocolate writers, where I am to be found between chocolate Tolkien and chocolate Cervantes? Or other sorts of chocolate celebrities?  Singers, actors, politicians? (Avoid the chocolate Trump, he’s poisonous).”

Martin added: “Or is this item to be found in the gift shop, available for purchase? That fills me with dread. So many people are cross with me because of how long it is taking me to finish THE WINDS OF WINTER? Will they be buying chocolate me by the thousands and biting off my chocolate head in their wroth? But maybe it’s not me after all. The guy in the picture is using an Apple laptop. I use a DOS desktop, so…”